/*
 * Copyright (c) 2009, 2012 IBM Corp.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Dave Locke - initial API and implementation and/or initial documentation
 */
package org.eclipse.paho.client.mqttv3;

/**
 * This exception is thrown by the implementor of the persistence interface if there is a problem reading or writing persistent data.
 */
public class MqttPersistenceException extends MqttException {

    private static final long serialVersionUID = 300L;

    /**
     * Persistence is already being used by another client.
     */
    public static final short REASON_CODE_PERSISTENCE_IN_USE = 32200;

    /**
     * Constructs a new <code>MqttPersistenceException</code>
     */
    public MqttPersistenceException() {
        super(REASON_CODE_CLIENT_EXCEPTION);
    }

    /**
     * Constructs a new <code>MqttPersistenceException</code> with the specified code as the underlying reason.
     *
     * @param reasonCode the reason code for the exception.
     */
    public MqttPersistenceException(int reasonCode) {
        super(reasonCode);
    }

    /**
     * Constructs a new <code>MqttPersistenceException</code> with the specified <code>Throwable</code> as the underlying reason.
     *
     * @param cause the underlying cause of the exception.
     */
    public MqttPersistenceException(Throwable cause) {
        super(cause);
    }

    /**
     * Constructs a new <code>MqttPersistenceException</code> with the specified <code>Throwable</code> as the underlying reason.
     *
     * @param reason the reason code for the exception.
     * @param cause the underlying cause of the exception.
     */
    public MqttPersistenceException(int reason, Throwable cause) {
        super(reason, cause);
    }
}
